Allison is investigating the influence of the number of times someone eats at McDonalds each week and its effect on athletic performance. Athletic performance is the variable.

Some plants have reproductive structures that them reproduce using natural forces or animals. how does the reproductive structure shown here ensure the reproductive success of plants?

Which factors influence how drinking and binge drinking affect a person? check all that apply. the person’s body size the time of day the person’s gender medications the person has taken whether the person drinks hard liquor or beer

Aresearcher lyses a cell that contains nucleic acid molecules and capsomeres of tobacco mosaic virus (tmv). the cell contents are left in a covered test tube overnight. the next day this mixture is sprayed on tobacco plants. we expect that the plants would ) develop some but not all of the symptoms of the tmv infectionb) develop the typical symptoms of tmv infectionc) not show any disease symptomsd) become infected, but the sap from these plants would be unable to infect other plants